Mercedes W205 M274 M264 Activated Charcoal Filter Emission Control A0004700559

Mercedes W205 M274 M264 Activated Charcoal Filter Emission Control is an original fuel system component designed for gasoline engines, engineered for precise integration with factory-fitted Mercedes parts. By utilizing activated carbon, the filter effectively reduces fuel vapor emissions, supporting stable engine operation and compliance with current environmental standards. This technical solution helps maintain the fuel system in a predictable, controlled operational state.

Specifications and technical data

• SKU: A0004700559
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0004700559
• Substitutable numbers: A0004700559, A 000 470 05 59
• Fuel type: Petrol
• Category: Other Exhaust & Emission Parts

Purpose and function of the charcoal filter

The charcoal filter in Mercedes W205 models with M274 and M264 engines is responsible for storing fuel vapors from the fuel system and directing them in a controlled manner to the combustion chamber. A properly selected component:

• stabilizes the operation of the EVAP system in a gasoline engine,
• limits uncontrolled fuel vapor emissions into the atmosphere,
• supports smooth engine operation under various load conditions.

As a result, the fuel system maintains predictable operating parameters, and the engine control unit can dose the mixture more precisely, which helps maintain proper engine refinement and consistent performance.

Benefits of using an original Mercedes component

Using a charcoal filter dedicated to specific engine units provides measurable operational benefits. The original Mercedes component ensures:

• tailored fuel vapor flow characteristics for M274/M264 gasoline engines,
• compatibility with factory fuel system controls and OBD diagnostics,
• adherence to factory design specifications regarding emissions and EVAP system operation.

For the user, this means a lower risk of fuel system-related errors, more predictable vehicle behavior, and easier diagnostics during potential service inspections.

Product characteristics and condition

The offered charcoal filter is an item from the Other group, meaning it belongs to specialized components that complement the fuel system in Mercedes vehicles. The product is in used condition, which in practice means that before installation, it is worth verifying its compatibility with the specific vehicle configuration and considering standard installation procedures used in workshops specializing in the Mercedes brand.

Due to the specific nature of the charcoal filter's operation in gasoline cars, it is particularly important to correctly connect the hoses and check the tightness of the entire system after installation. This allows for maintaining stable engine operating parameters and avoiding disruptions in the diagnostic system's operation.

Application in gasoline vehicles

The filter has been designed to work with a gasoline-powered fuel system, which is significant for both the vapor characteristics and the way they are handled by the engine control unit. In vehicles with gasoline engines, a properly functioning charcoal filter:

• reduces the risk of fuel odors around the vehicle,
• supports the maintenance of proper pressure and vapor circulation in the tank,
• helps maintain compliance with fuel vapor emission requirements.

For users of the Mercedes W205 with M274/M264 units, this is an essential element affecting the long-term stability of the fuel system and daily driving comfort.

System expansion and related components

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other elements from the same group, such as breather hoses, fuel vapor control valves, or additional vapor canisters, check the available parts in the Other Mercedes category.

In the case of more extensive upgrades or comparing solutions used in different brands and engine versions, comparative material regarding the construction of power units and accessories may be helpful. In this context, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses the differences in the construction of engines, braking systems, and chassis, making it easier to understand the manufacturers' approach to designing key components.